Keith's Weblog: Comments on "Very cool optical illusion", posted on November 14, 2005 http://keithdevens.com/weblog/archive/2005/Nov/14/purple-dots-illusion linkblog Random Science en-us http://keithdevens.com/weblog http://keithdevens.com/images/kbd.gif http://keithdevens.com/weblog/archive/2005/Nov/14/purple-dots-illusion#comment8684 http://keithdevens.com/weblog/7584#comment8684 Tue, 15 Nov 2005 21:45:14 +0000 <p class="st-markup">In the same vein...</p> <p class="st-markup"><a href="http://www.cs.toronto.edu/~moraes/illusion.html">http://www.cs.toronto.edu/~moraes/illusion.html</a></p> <p class="st-markup">They do not move, but they do....</p>